[llvm] r208082 - AArch64/ARM64: add more specific diagnostic for floating imm 0.0.

[Tim Northover]

Author: tnorthover
Date: Tue May  6 07:50:47 2014
New Revision: 208082

URL: http://llvm.org/viewvc/llvm-project?rev=208082&view=rev
Log:
AArch64/ARM64: add more specific diagnostic for floating imm 0.0.

Modified:
    llvm/trunk/lib/Target/ARM64/AsmParser/ARM64AsmParser.cpp

Modified: llvm/trunk/lib/Target/ARM64/AsmParser/ARM64AsmParser.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/ARM64/AsmParser/ARM64AsmParser.cpp?rev=208082&r1=208081&r2=208082&view=diff
==============================================================================
--- llvm/trunk/lib/Target/ARM64/AsmParser/ARM64AsmParser.cpp (original)
+++ llvm/trunk/lib/Target/ARM64/AsmParser/ARM64AsmParser.cpp Tue May  6 07:50:47 2014
@@ -3246,11 +3246,12 @@ bool ARM64AsmParser::parseOperand(Operan
     if (Tok.is(AsmToken::Real)) {
       APFloat RealVal(APFloat::IEEEdouble, Tok.getString());
       uint64_t IntVal = RealVal.bitcastToAPInt().getZExtValue();
-      if (IntVal != 0 ||
-          (Mnemonic != "fcmp" && Mnemonic != "fcmpe" && Mnemonic != "fcmeq" &&
-           Mnemonic != "fcmge" && Mnemonic != "fcmgt" && Mnemonic != "fcmle" &&
-           Mnemonic != "fcmlt"))
+      if (Mnemonic != "fcmp" && Mnemonic != "fcmpe" && Mnemonic != "fcmeq" &&
+          Mnemonic != "fcmge" && Mnemonic != "fcmgt" && Mnemonic != "fcmle" &&
+          Mnemonic != "fcmlt")
         return TokError("unexpected floating point literal");
+      else if (IntVal != 0)
+        return TokError("only valid floating-point immediate is #0.0");
       Parser.Lex(); // Eat the token.
 
       Operands.push_back(